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saranya k

· started a discussion

· 1 Months ago

how to find out uneducated females in this above table (Question: 122202.0 )

a

Question:
DIRECTION: Following table shows the total population and ratio of male & female of five villages, A, B, C, D and E. Table also shows the educated population and ratio of male and female among them.



village

Total

population

(in lakhs)

Male : Female

Total

educated

population

(in lakh)

Ratio of

educated

Male and Female

A

80

5:3

50

1:1

B

72

7:5

48

2:1

C

64

1:1

44

6:5

D

60

7:5

36

7:5

E

70

4:3

40

1:1
Number of total females in city B is how much percentage more than that of uneducated females in city D?
Options:
A) 500% 
B) 550%
C) 450%
D) 400%
E) None of these
Solution:

No. of total females in city B = 72 × \(\cfrac{5}{12}\) = 30 lakh

Educated females in D

= \(\cfrac{5}{12}\)× 36 = 15 lakh

Uneducated females in D = 25 – 15 = 10 lakh

Required percentage = \(\cfrac{30-10}{10}\) × 100

= 200%

Knowledge Expert

· commented

· 1 Months ago

Total population in city D = 60 lakhs

Male:Female = 7:5 = 7*5 : 5*5 = 35:25

So, population of Female = 25 lakhs

Total educated population in city D = 36 lakhs

Male:Female =7:5 = 21:15

So, educated population of Female = 15 lakhs

Hence, So, uneducated population of Female = population of Female - educated population of Female=25- 15 = 10 lakhs
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